Q: error : The project file cannot be opened. Version 7.0.302 of the .NET SDK requires at least version 17.4.0 of MSBuild. The current available version of MSBuild is 16.11.2.50704. Change the .NET SDK specified in global.json to an older version that requires the MSBuild version currently available.
https://dotnet.microsoft.com/en-us/download/dotnet/7.0
"c:\program files\dotnet\sdk\7.0.306\minimumMSBuildVersion
https://learn.microsoft.com/en-us/answers/questions/1286834/visual-studio-2019-unable-to-load-one-project-due
https://dotnet.microsoft.com/zh-cn/download/dotnet/3.1/runtime?cid=getdotnetcore&os=windows&arch=x64